/**
 * Copyright (c) 2011 ~ 2013 Deepin, Inc.
 *               2011 ~ 2013 jouyouyun
 *
 * Author:      jouyouyun <jouyouwen717@gmail.com>
 * Maintainer:  jouyouyun <jouyouwen717@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 **/

package main

import (
	"fmt"
	"io/ioutil"
	"strings"
)

var earthArray = []string{"Asia", "America", "Atlantic", "Australia", "Africa", "Europe", "US", "Pacific", "Mexico", "Indian", "Canada", "Chile", "Brazil", "Antarctica", "Arctic"}

func isElmentExist(str string, array []string) bool {
	for _, v := range earthArray {
		if strings.Contains(str, v) {
			return true
		}
	}

	return false
}

func parseZoneFile(file string) {
	contents, err := ioutil.ReadFile(file)
	if err != nil {
		fmt.Printf("Read '%s' Failed: %s\n", file, err)
		panic(err)
	}

	lines := strings.Split(string(contents), "\n")
	for _, line := range lines {
		//fmt.Println("line:", line)
		values := strings.Split(line, " ")
		//fmt.Println("value:", values[0])
		if isElmentExist(values[0], earthArray) {
			fmt.Println(values[0])
		}
		//break
	}
}

func main() {
	parseZoneFile("zoneinfo")
}
